Even if Black starts, Snowwhite can escape to one of the marked points.
Black is off to a good start with , but
is a clever response making miai.
Black 3 blocks one way, but just heads for the opposite direction.
is forced and White makes miai again with
. Rest of sequence is forced.
--Arno
Well, apart from the fact that I think black would be better off starting on one of the points where is in the diagram, you appear to be right.
-- uXs
JamesA: Doesn't Snow White take less casualties this way (I think it looks simpler as well... just personal preference!)
BillSpight: I think that both James' and uXs' ideas are interesting. :-)